server-skynet-source-3rd-je.../test/unit/prof_gdump.c

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#include "test/jemalloc_test.h"
#ifdef JEMALLOC_PROF
const char *malloc_conf = "prof:true,prof_active:false,prof_gdump:true";
#endif
static bool did_prof_dump_open;
static int
prof_dump_open_intercept(bool propagate_err, const char *filename) {
int fd;
did_prof_dump_open = true;
fd = open("/dev/null", O_WRONLY);
assert_d_ne(fd, -1, "Unexpected open() failure");
return fd;
}
TEST_BEGIN(test_gdump) {
bool active, gdump, gdump_old;
void *p, *q, *r, *s;
size_t sz;
test_skip_if(!config_prof);
active = true;
assert_d_eq(mallctl("prof.active", NULL, NULL, (void *)&active,
sizeof(active)), 0,
"Unexpected mallctl failure while activating profiling");
prof_dump_open = prof_dump_open_intercept;
did_prof_dump_open = false;
p = mallocx((1U << LG_LARGE_MINCLASS), 0);
assert_ptr_not_null(p, "Unexpected mallocx() failure");
assert_true(did_prof_dump_open, "Expected a profile dump");
did_prof_dump_open = false;
q = mallocx((1U << LG_LARGE_MINCLASS), 0);
assert_ptr_not_null(q, "Unexpected mallocx() failure");
assert_true(did_prof_dump_open, "Expected a profile dump");
gdump = false;
sz = sizeof(gdump_old);
assert_d_eq(mallctl("prof.gdump", (void *)&gdump_old, &sz,
(void *)&gdump, sizeof(gdump)), 0,
"Unexpected mallctl failure while disabling prof.gdump");
assert(gdump_old);
did_prof_dump_open = false;
r = mallocx((1U << LG_LARGE_MINCLASS), 0);
assert_ptr_not_null(q, "Unexpected mallocx() failure");
assert_false(did_prof_dump_open, "Unexpected profile dump");
gdump = true;
sz = sizeof(gdump_old);
assert_d_eq(mallctl("prof.gdump", (void *)&gdump_old, &sz,
(void *)&gdump, sizeof(gdump)), 0,
"Unexpected mallctl failure while enabling prof.gdump");
assert(!gdump_old);
did_prof_dump_open = false;
s = mallocx((1U << LG_LARGE_MINCLASS), 0);
assert_ptr_not_null(q, "Unexpected mallocx() failure");
assert_true(did_prof_dump_open, "Expected a profile dump");
dallocx(p, 0);
dallocx(q, 0);
dallocx(r, 0);
dallocx(s, 0);
}
TEST_END
int
main(void) {
return test(
test_gdump);
}